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97 lines
2.5 KiB
97 lines
2.5 KiB
/* Create new subsection section in given section. |
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Copyright (C) 2002 Red Hat, Inc. |
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This file is part of elfutils. |
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Written by Ulrich Drepper <drepper@redhat.com>, 2002. |
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This file is free software; you can redistribute it and/or modify |
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it under the terms of either |
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* the GNU Lesser General Public License as published by the Free |
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Software Foundation; either version 3 of the License, or (at |
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your option) any later version |
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or |
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* the GNU General Public License as published by the Free |
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Software Foundation; either version 2 of the License, or (at |
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your option) any later version |
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or both in parallel, as here. |
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elfutils is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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You should have received copies of the GNU General Public License and |
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the GNU Lesser General Public License along with this program. If |
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not, see <http://www.gnu.org/licenses/>. */ |
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#ifdef HAVE_CONFIG_H |
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# include <config.h> |
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#endif |
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#include <stdlib.h> |
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#include <libasmP.h> |
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#include <system.h> |
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AsmScn_t * |
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asm_newsubscn (AsmScn_t *asmscn, unsigned int nr) |
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{ |
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AsmScn_t *runp; |
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AsmScn_t *newp; |
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/* Just return if no section is given. The error must have been |
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somewhere else. */ |
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if (asmscn == NULL) |
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return NULL; |
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/* Determine whether there is already a subsection with this number. */ |
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runp = asmscn->subsection_id == 0 ? asmscn : asmscn->data.up; |
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while (1) |
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{ |
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if (runp->subsection_id == nr) |
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/* Found it. */ |
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return runp; |
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if (runp->subnext == NULL || runp->subnext->subsection_id > nr) |
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break; |
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runp = runp->subnext; |
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} |
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newp = (AsmScn_t *) malloc (sizeof (AsmScn_t)); |
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if (newp == NULL) |
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return NULL; |
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/* Same assembler context than the original section. */ |
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newp->ctx = runp->ctx; |
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/* User provided the subsectio nID. */ |
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newp->subsection_id = nr; |
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/* Inherit the parent's type. */ |
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newp->type = runp->type; |
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/* Pointer to the zeroth subsection. */ |
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newp->data.up = runp->subsection_id == 0 ? runp : runp->data.up; |
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/* We start at offset zero. */ |
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newp->offset = 0; |
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/* And generic alignment. */ |
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newp->max_align = 1; |
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/* No output yet. */ |
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newp->content = NULL; |
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/* Inherit the fill pattern from the section this one is derived from. */ |
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newp->pattern = asmscn->pattern; |
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/* Enqueue at the right position in the list. */ |
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newp->subnext = runp->subnext; |
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runp->subnext = newp; |
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return newp; |
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}
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